BE476373A - - Google Patents
Info
- Publication number
- BE476373A BE476373A BE476373DA BE476373A BE 476373 A BE476373 A BE 476373A BE 476373D A BE476373D A BE 476373DA BE 476373 A BE476373 A BE 476373A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
- H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/34—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being vacuum tube
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/10—Angle modulation by means of variable impedance
- H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
- H03C3/14—Angle modulation by means of variable impedance by means of a variable reactive element simulated by circuit comprising active element with at least three electrodes, e.g. reactance-tube circuit
- H03C3/16—Angle modulation by means of variable impedance by means of a variable reactive element simulated by circuit comprising active element with at least three electrodes, e.g. reactance-tube circuit in which the active element simultaneously serves as the active element of an oscillator
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US677656A US2492185A (en) | 1946-06-19 | 1946-06-19 | Oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE476373A true BE476373A (OSRAM) |
Family
ID=24719624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE476373D BE476373A (OSRAM) | 1946-06-19 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2492185A (OSRAM) |
| BE (1) | BE476373A (OSRAM) |
| CH (1) | CH266249A (OSRAM) |
| ES (1) | ES180303A1 (OSRAM) |
| NL (1) | NL132648B (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2675476A (en) * | 1945-06-23 | 1954-04-13 | Reuben A Isberg | Oscillator |
| GB2147753A (en) * | 1983-10-07 | 1985-05-15 | Philips Electronic Associated | Voltage controlled oscillator |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2326314A (en) * | 1941-08-30 | 1943-08-10 | Rca Corp | Frequency modulation |
| US2318979A (en) * | 1941-10-02 | 1943-05-11 | Rca Corp | Frequency modulator |
| US2440621A (en) * | 1944-04-25 | 1948-04-27 | Rca Corp | Frequency modulation |
-
0
- BE BE476373D patent/BE476373A/xx unknown
- NL NL132648D patent/NL132648B/xx unknown
-
1946
- 1946-06-19 US US677656A patent/US2492185A/en not_active Expired - Lifetime
-
1947
- 1947-06-19 CH CH266249D patent/CH266249A/fr unknown
- 1947-10-30 ES ES0180303A patent/ES180303A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL132648B (OSRAM) | |
| ES180303A1 (es) | 1947-12-01 |
| US2492185A (en) | 1949-12-27 |
| CH266249A (fr) | 1950-01-15 |